High sensitive trap loss spectroscopic detection of the lowest vibrational levels of ultracold molecules |
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| Authors: | Wu Jizhou Ma Jie Zhang Yichi Li Yuqing Wang Lirong Zhao Yanting Chen Gang Xiao Liantuan Jia Suotang |
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| Institution: | State Key Laboratory of Quantum Optics and Quantum Optics Devices, College of Physics and Electronics Engineering, Shanxi University, Taiyuan, 030006, China. |
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| Abstract: | We present a controllable three-dimensional fluorescence modulation technique for the high sensitive trap loss detection of ultracold molecules. The lowest vibrational levels (v = 0 and 1) of the pure long-range state 0(-)(g) (6S(1/2) + 6P(3/2)) of a cesium molecule are detected directly with high rotational resolution. Our technique proved to be a robust tool for effectively improving the detection sensitivity of trap loss spectroscopy. |
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